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skia2/tools/skqp/README.md
Hal Canary 24889c90d2 SkQP: update README.md 
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Change-Id: I7b12f683901ece91e3a7e2d9fa432aa05fbcf12a
Reviewed-on: https://skia-review.googlesource.com/108568
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2018-02-20 17:58:43 +00:00

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SkQP

SkQP (Skia Quality Program) is a component of the Android CTS (Compatablity Test Suite) that tests an Android device's GPU and OpenGLES & Vulkan drivers using Skia's existing unit & rendering tests.

See https://skia.org/dev/testing/skqp for pre-build APKs.

How to build and run the SkQP tests

  1. Get the dependencies:

    • You will need Java JDK 8, git, and python.

    • Install Chromium's depot_tools. Add it to your PATH.

      git clone 'https://chromium.googlesource.com/chromium/tools/depot_tools.git'
export PATH="${PWD}/depot_tools:${PATH}"

    • Install the Android NDK.

      ( cd ~; unzip ~/Downloads/android-ndk-*.zip )
ANDROID_NDK=$(ls -d ~/android-ndk-*)   # Or wherever you installed the Android NDK.

    • Install the Android SDK. Set the ANDROID_HOME environment variable.

      mkdir ~/android-sdk
( cd ~/android-sdk; unzip ~/Downloads/sdk-tools-*.zip )
yes | ~/android-sdk/tools/bin/sdkmanager --licenses
export ANDROID_HOME=~/android-sdk  # Or wherever you installed the Android SDK.

      Put adb in your PATH.

      export PATH="${PATH}:${ANDROID_HOME}/platform-tools"

  2. Get the right version of Skia:

    git clone https://skia.googlesource.com/skia.git
cd skia
git checkout origin/skqp/dev  # or whatever release tag you need

  3. Download dependencies and the model:

    python tools/skqp/download_model
python tools/skqp/setup_resources
python tools/git-sync-deps

  4. Configure the build:

    python tools/skqp/generate_gn_args out/skqp-arm "$ANDROID_NDK" \
       --arch arm \
       --api_level 26
bin/gn gen out/skqp-arm

    If you want to test another architecture, replace arm with x86, x64 or arm64. Run 'python tools/skqp/generate_gn_args -h' for all options.

  5. Build, install, and run.

    platform_tools/android/bin/android_build_app -C out/skqp-arm skqp
adb install -r out/skqp-arm/skqp.apk
adb logcat -c
adb shell am instrument -w org.skia.skqp/android.support.test.runner.AndroidJUnitRunner

  6. Monitor the output with:

    adb logcat org.skia.skqp skia "*:S"

    Note the test's output path on the device. It will look something like this:

    01-23 15:22:12.688 27158 27173 I org.skia.skqp:
output written to "/storage/emulated/0/Android/data/org.skia.skqp/files/output"

  7. Retrieve and view the report with:

    OUTPUT_LOCATION="/storage/emulated/0/Android/data/org.skia.skqp/files/output"
adb pull $OUTPUT_LOCATION /tmp/
tools/skqp/sysopen.py /tmp/output/skqp_report/report.html

Run as a non-APK executable

  1. Follow steps 1-3 as above.

  2. Build the SkQP program, load files on the device, and run skqp:

    ninja -C out/skqp-arm skqp
python tools/skqp/run_skqp_exe out/skqp-arm